Effects of far-infrared radiation on heart rate variability and central manifestations in healthy subjects: a resting-fMRI study

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Title:	Effects of far-infrared radiation on heart rate variability and central manifestations in healthy subjects: a resting-fMRI study
Authors:	郭文瑞;Lin, Yii-Jeng;Kung, Yen-Ying;Kuo, Wen-Jui;Niddam, David M.;Cheng, Chou-Ming;Chou, Chih-Che;Yeh, Tzu-Chen;Hsieh, Jen-Chuen;Chiu, Jen-Hwey
Contributors:	生醫理工學院認知神經科學研究所
Keywords:	Adult;Brain;Brain Mapping;Dentistry;Disorders;Electrocardiography;Female;Healthy Volunteers;Heart Rate;Humans;Infrared Rays;Lasers;Magnetic resonance;Magnetic Resonance Imaging;Male;Median nerve;Medical science;Medicine;Medicine & Public Health;Nervous system;NMR;Nuclear magnetic resonance;Optical Devices;Optics;Original Article;Photonics;Quantum Optics;Radiation;Stimulation;Temporal logic;Young Adult
Date:	2015-01-01
Issue Date:	2026-04-23 14:24:33 (UTC+8)
Publisher:	Springer London;London: Springer London
Abstract:	摘要： The aim of this study was to investigate the autonomic responses and central manifestations by peripheral FIR stimulation. Ten subjects (mean ± SD age 26.2 ± 3.52 years) received FIR stimulation at left median nerve territory for 40 min. Electrocardiograph was continuously recorded and heart rate variability (HRV) were analyzed. By using a 3 T-MRI scanner, three sessions of resting-state functional magnetic resonance images (fMRI) were acquired, namely, before (baseline-FIR), immediately after (IA-FIR) and 15 min after FIR was turned off (Post-FIR). The fractional amplitude of low-frequency (0.01-0.08 Hz) fluctuation (fALFF) of each session to evaluate the intensity of resting-brain activity in each session was analyzed. Our results showed that FIR stimulation induced significant HRV responses such as an increasing trend of nLF and LF/HF ratio, while FIR increased fALFF in right superior front gyrus, middle frontal gyrus and decreased the resting brain activity at fusiform gyrus, extrastriae cortex, inferior temporal gyrus and middle temporal gyrus, especially 15 min after FIR was turned off. We conclude that the central manifestation and the autonomic responses are prominent during and after FIR stimulation, which provide important mechanistic explanation on human disorder treated by such energy medicine. 其他題名： Lasers Med Sci 出版者： London: Springer London 出版日期： 2015-01-01 出處： Lasers in medical science, 2015-01, Vol.30 (1), p.295-301 版權： Springer-Verlag London 2014 版權： Springer-Verlag London 2015 識別號： ISSN: 0268-8921 識別號： ISSN: 1435-604X 識別號： EISSN: 1435-604X 識別號： DOI: 10.1007/s10103-014-1662-9 識別號： PMID: 25249495 識別號： CODEN: LMSCEZ
Appears in Collections:	[College of Science Institute of Cognitive Neuroscience] journal & Dissertation

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